We are currently attempting to measure the nuclear electric quadrupole moment Q of the 1.0-μs lifetime isomer 85mRb using the laser-induced nuclear orientation (LINO) technique. In this technique, laser light is used to optically pump atoms which have very short-lived unstable nuclei. This aligns the nuclear spins and produces anisotropy in the angular distribution of γ rays emitted in their subsequent decay. This technique can yield precise measurements of nuclear structure parameters, such as magnetic dipole moments and isomer shifts, as demonstrated by our recent successful work on this nucleus.1

© 1989 Optical Society of America

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